TypeScripNote

TypeScripNote

基本数据类型 string,number,null,

Number type

let notANumber: number = NaN; //Nan
let num: number = 123; //普通数字
let infinityNumber: number = Infinity; //无穷大
let decimal: number = 6; //十进制
let hex: number = 0xf00d; //十六进制
let binary: number = 0b1010; //二进制
let octal: number = 0o744; //八进制s